Pipe and casing tongs.



S A. GUIBERSON, 1n.

PIPE AND CASING TONGS,

APPLICATIONNLRDMAYLT.19H.

Patented Oct. 6, 19'! i.

G d i d 1 4 Q0 1 l n I INVENTOR. Jaw/weed 4 31%,; gr-ra t,

49:: Z/tw A TTORNL Ya WITNESSES Ell i1. ttnin l:

ll ll .to ilk/l lac,

CALIFOBNML nl been again made by the res- 1e pin 8, he handle was moved 4 l ews to alternately gi ip and to ant inq'flovenient, I have what giipping jOllll ii the jaws, he separability "#11:, nice th longs to be applied I. om the "rent end, and its grip pine; elic -t not onl compensates for wear Q. at that p but zulds to the general e'lfitongs.

curl of the jaw 1 is slotted out z t l t-OfOIHl sicle cars between ted the latch 12, saitl latch being "(1 by and pivoted upon a cross bolt 13. latch formed at one end with it handle ll. and at the other end with =1 beveled head 1' term'nziting in a catch shoulder 15. I

The forward end of the aw 2 is grooved on: at 16 to permit the latch head to play i ml in said groove the end is bevelecl ccl as at 1'7, terminating I in e l? with which theeatchshoulcler to control t latch 12. rial by a cross pin 19 1 till; jar l.

3* reicrencc to Fi 1, that latch 12 is formed with a m or notch 20 which comets serve as limiting stop. he Work, the handle 11 hucln which move K tch shoulder of the in the catch shoulder 17 of the saw 9 then falls open; and the '2 then rcleasecl by the oper- V tin-owe the latch 12 back on L which it is reiicly for action again. 5 osition is defined by the en ciigement of the limiting stop notch oi t hitch coae'ing with the. pin 19. Thus the latch held in position ready for use. hen the tongs are entered upon the work, th jaw 2 11 hushed back to place. In this curved or bevel-eel outer end i the beveled head 14 of the incl "'orces said henrl heel; until l Sfiltl contact, the hitch springs uni throws its catch shoulder 15 catch shoiililer 17 of the 311W thus automatic: lly locking said jaw. It will now "t! seen that the joint thus described not only perrnite the entering of'the tongs necessity of disturoing the operative conlease the Work; and an automatic latching device to lock the forward ends of the j awe, consisting; of a spring controlled latch otally carried in one jaw, and it'ormed W h a beveled catch head, the end of the other jaw being said head.

2., A. pipe and casing tongs comcrising opposing jaws, a.v handle, a connection be tween the handle and the rear ends of the jaivs for Operating them to grip and to release the Work; an automatic latching device to lock the forward slide of the jaws consisting of a spring controlled latch pivotally' carried in one jaw and formed with a beveled catch head, theciid of the other jaw being formed "to receive and to engage said head; and means for auton'iatically holding the latch iu joosition for engageu'iezotw A pipe and casing tongs comprising opposing jaws, handle, a connection he tween the handle and the rear ends of jaws for operating; them to g"i and to re lease the Work; an automatic latching device to lock the t'orivard ends of the jaws, consisting of a spring controlled latch piv otally carried in one j 21W, and. formed with a beveled catch head, the end of the other aw being termed to receive and to engage said head; and means for automatically holding the latch in position for engagement, consisting of a fixed pin carried by one of the awe and a notch in the latch coactin with said piul .11 a pi ,e and cos" o one 0t said jaws xvii p; forward end slotted, and the other of said aws having its forward end grooved and beveled and shouldered in said gnroveg in C0l1'lbll112L- tion with a spring-controlled latch pivotally mounted in the slotted forward end of the irit'on s opposing formed to receive and to engage lustjaw, said latch having a beveled catchehcad adapted to coact with the gooc ined beveled and shouldered forward oil second jaw to automatically lock the jaws t( other. v v

5. In a pipe and easing t0ngs, opposi11g jaws one of said jaws having its forward "with d spring-conti'ollcd latch plvotally mounted 111 the slotted forward endfioi the opposing jaws, a handle having a laterally inclined head, connections between the handle head and the rear ends of the jaws co11- sisting of a stationary pivot one ct said jaws with the handle head, ahl pivots of both jaws with said i led; and an ends of the jaws, consisting of a spring con trollcd latch pivotally carried by one of the jaws and having; a catch. head adapted.- engage and release the other opposing aws, a handle having laterally inclined head connections'hetween the ha r (lllB head and the rear ends of the jaws colic jaws h the handle head, and movable pivots or both jaws with said head; and an. automatic latching device at the forward on s of the jaws, consisting of a spring c0I1- trolled latch pivotally carried by one of the jaws and having a catch head adapted to engage and release the other jaw and a fixed pin coactiivs With a notch in said latch to hold the latter ready for operation.

in testimony whereof have signed my name to this specification in the presence of two subscribing Witnesses.

SAMUEL ALLEN GlllllERSUl l, the.

l itnesscs l M. F. lloo'rn, l). B. RICHARDS.

on d slotted, and the other oft said haviru its .l'OI'WiULl end grooved and beveled aIodshouldered 111 sold groove; in comhlnzztioia v A. pipe and casing tongs comprising;

movable 'l. A. pipe and casing; tongs comprising sisting of a stationary pivot of one of said,-

lid

first said latch having ahcveled -catch-- head adapted to coact with thea'rooved,

automatic latching device at the forward 

